<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>HTML5新增视频标签</title>
    <style>
      video {
        width: 100%;
      }
    </style>
  </head>
  <body>
    <video
      src="media/mi.mp4"
      autoplay="autoplay"
      muted="muted"
      loop="loop"
      poster="media/mi9.jpg"
    ></video>
  </body>
</html>
